content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl;
  
  import hu.akarnokd.reactive4javaflow.TestHelper;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class QueueHelperTest {
  
      @Test
      public void utilityClass() {
          TestHelper.checkUtilityClass(QueueHelper.class);
      }
  
      @Test
      public void pow() {
          assertEquals(1, QueueHelper.pow2(1));
          assertEquals(2, QueueHelper.pow2(2));
          assertEquals(4, QueueHelper.pow2(3));
          assertEquals(4, QueueHelper.pow2(4));
          assertEquals(8, QueueHelper.pow2(5));
          assertEquals(8, QueueHelper.pow2(6));
          assertEquals(8, QueueHelper.pow2(7));
          assertEquals(8, QueueHelper.pow2(8));
      }
  }
  